<template>
  <div class="app-container">
    <el-button class="filter-item marginRB10" type="primary" icon="el-icon-plus" @click="handleCreate()">
      添加
    </el-button>
    <el-button class="marginRB10" type="danger" @click="allDel()" plain>批量删除</el-button>

    <el-table ref="dataList" :data="menuList" style="margin-bottom: 20px;" row-key="id" border
              :tree-props="{children: 'children', hasChildren: 'hasChildren'}">
      <el-table-column type="selection" width="55"></el-table-column>
      <el-table-column prop="id" label="分类id"></el-table-column>
      <el-table-column prop="name" label="名称"></el-table-column>
      <el-table-column prop="add_time" label="添加时间"></el-table-column>
      <el-table-column min-width="180" label="操作">
        <template slot-scope="scope">
          <el-button type="primary" size="mini" icon="el-icon-edit" @click="handleUpdate(scope.row)" plain>编辑
          </el-button>
          <cus-del-btn @ok="handleDelete(scope.row)"></cus-del-btn>
        </template>
      </el-table-column>
    </el-table>
    <!-- 分页 -->
    <cus-pagination v-show="total>0" :total="total" :page.sync="listQuery.page" :limit.sync="listQuery.perPage"
                    @pagination="getList"/>

    <el-dialog v-dialogDrag :title="titleMap[dialogStatus]" :visible.sync="dialogFormVisible"
               @close="handleDialogClose">
      <el-form ref="dataForm" :rules="rules" :model="form" label-position="right" label-width="120px"
               style="width: 400px; margin: 0 auto;">
        <el-form-item label="分类名" prop="name">
          <el-input v-model="form.name" placeholder="请输入分类名"/>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer" style="text-align: center">
        <el-button @click="dialogFormVisible = false">
          取 消
        </el-button>
        <el-button type="primary" @click="submitForm()">
          确 认
        </el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {saveData, deleteData, updateData, listData} from '@/api/goodNumber/cate_list'

export default {
  data() {
    return {
      listLoading: true,
      total: 0,
      listQuery: {
        page: 1,
        perPage: 10
      },
      menuList: [],
      dialogFormVisible: false,
      dialogStatus: '',
      titleMap: {
        update: '编辑',
        create: '增加'
      },
      form: {
        id: undefined,
        name: undefined,
      },
      rules: {
        name: [{required: true, message: '请输入分类名', trigger: 'blur'}],
      }
    }
  },
  created() {
    this.getList()
  },
  methods: {

    getList() {
      this.listLoading = true
      let urlData = '?';
      if (this.listQuery.page) {
        urlData = urlData + `page=${this.listQuery.page}&`
      }
      if (this.listQuery.perPage) {
        urlData = urlData + `perPage=${this.listQuery.perPage}`
      }
      listData(urlData).then(response => {
        this.menuList = response.data.list

        this.total = response.data.meta.total;
        this.listLoading = false
      })
    },
    handleCreate(row) {
      this.resetForm()
      this.dialogStatus = 'create'
      this.dialogFormVisible = true
    },
    handleUpdate(row) {
      this.form = []
      this.form.id = row.id
      this.form.name = row.name

      this.dialogStatus = 'update'
      this.dialogFormVisible = true

      this.form = Object.assign({}, this.form)
    },
    handleDelete(row) {
      let data = {ids: row.id}
      deleteData(data).then(response => {
        if (response.code === 200) {
          this.getList()
          this.$notify({
            type: 'success',
            message: '操作成功',
            position: 'bottom-right',
            showClose: false,
            duration: 3000
          });
        }
      })
    },
    allDel() {

      let delNum = []
      this.$refs.dataList.selection.forEach((k) => {
        delNum.push(k.id)
      })
      if (delNum.length === 0) {
        return;
      }
      let data = {ids: delNum.toString()}
      deleteData(data).then(response => {
        if (response.code === 200) {
          this.getList()
          this.$notify({
            type: 'success',
            message: '操作成功',
            position: 'bottom-right',
            showClose: false,
            duration: 3000
          });
        }
      })
    },
    submitForm() {
      this.$refs['dataForm'].validate(valid => {
        if (valid && this.dialogStatus === 'create') {
          let formData = new FormData();
          for (let item in this.form) {
            this.form[item] === undefined ? '' : formData.append(item, this.form[item]);
          }
          saveData(formData).then(response => {
            if (response.code === 200) {
              this.getList()
              this.$notify({
                type: 'success',
                message: '操作成功',
                position: 'bottom-right',
                showClose: false,
                duration: 3000
              });
              this.dialogFormVisible = false
            } else {
              this.$message({
                message: response.message,
                type: 'error'
              });
            }
          })
        } else if (valid && this.dialogStatus === 'update') {
          let formData = new FormData();
          for (let item in this.form) {
            this.form[item] === undefined ? '' : formData.append(item, this.form[item]);
          }
          updateData(formData).then(response => {
            if (response.code === 200) {
              this.getList()
              this.$notify({
                type: 'success',
                message: '操作成功',
                position: 'bottom-right',
                showClose: false,
                duration: 3000
              });
              this.dialogFormVisible = false
            } else {
              this.$message({
                message: response.message,
                type: 'error'
              });
            }
          })
        }
      })
    },
    resetForm() {
      this.form = {
        id: undefined,
        name: undefined,
      }
    },
    // 监听dialog关闭时的处理事件
    handleDialogClose() {
      if (this.$refs['dataForm']) {
        this.$refs['dataForm'].clearValidate() // 清除整个表单的校验
      }
    }
  }
}
</script>
